Rochester (/ ˈ r ɒ tʃ ɪ s t ər, -ɛ s-/) is a city on the southern shore of Lake Ontario in western New York.With a population of 208,046 residents, Rochester is the seat of Monroe County and the third most populous city in New York state, after New York City and Buffalo.The metropolitan area has a population of just over 1 million people.

